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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables) | 12 Months Ended
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Sep. 30, 2013
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] |
Net Periodic Cost | Net periodic postretirement benefit costs consisted of the following components:
(Thousands) | 2013 |  | 2012 |  | 2011
Service cost – benefits earned during the period | $ | 10,162 |  |  | $ | 8,060 |  |  | $ | 7,676 |
Interest cost on accumulated postretirement benefit obligation | 5,234 |  |  | 5,521 |  |  | 4,843 |
Expected return on plan assets | (4,447 | ) |  | (3,965 | ) |  | (3,646 | )
Amortization of transition obligation | 93 |  |  | 136 |  |  | 136 |
Amortization of prior service credit | 3 |  |  | (2,072 | ) |  | (2,328 | )
Amortization of actuarial loss | 5,300 |  |  | 4,261 |  |  | 4,443 |
Sub-total | 16,345 |  |  | 11,941 |  |  | 11,124 |
Regulatory adjustment | (6,821 | ) |  | (2,417 | ) |  | (2,071 | )
Net postretirement benefit cost | $ | 9,524 |  |  | $ | 9,524 |  |  | $ | 9,053 |
The net periodic pension costs include the following components:
(Thousands) | 2013 |  | 2012 |  | 2011
Service cost – benefits earned during the period | $ | 9,209 |  |  | $ | 9,203 |  |  | $ | 9,553 |
Interest cost on projected benefit obligation | 16,959 |  |  | 19,358 |  |  | 18,819 |
Expected return on plan assets | (19,358 | ) |  | (19,595 | ) |  | (18,849 | )
Amortization of prior service cost | 544 |  |  | 592 |  |  | 642 |
Amortization of actuarial loss | 10,724 |  |  | 9,040 |  |  | 10,228 |
Loss on lump-sum settlements | 26,996 |  |  | 20,051 |  |  | 943 |
Sub-total | 45,074 |  |  | 38,649 |  |  | 21,336 |
Regulatory adjustment | (27,532 | ) |  | (18,579 | ) |  | (7,066 | )
Net pension cost | $ | 17,542 |  |  | $ | 20,070 |  |  | $ | 14,270 |
Other changes in plan assets and benefit obligations recognized in other comprehensive income | Other changes in plan assets and postretirement benefit obligations recognized in other comprehensive income include the following:
(Thousands) | 2013 |  | 2012 |  | 2011
Current year actuarial loss | $ | 16,300 |  |  | $ | 10,138 |  |  | $ | 1,696 |
Amortization of actuarial loss | (5,300 | ) |  | (4,261 | ) |  | (4,443 | )
Amortization of prior service credit | (3 | ) |  | 2,072 |  |  | 2,328 |
Amortization of transition obligation | (93 | ) |  | (136 | ) |  | (136 | )
Sub-total | 10,904 |  |  | 7,813 |  |  | (555 | )
Regulatory adjustment | (10,904 | ) |  | (7,813 | ) |  | 555 |
Total recognized in other comprehensive income | $ | — |  |  | $ | — |  |  | $ | — |
Other changes in plan assets and pension benefit obligations recognized in other comprehensive income include the following:
(Thousands) | 2013 |  | 2012 |  | 2011
Current year actuarial loss (gain) | $ | 17,030 |  |  | $ | 32,884 |  |  | $ | (13,485 | )
Amortization of actuarial loss | (10,724 | ) |  | (29,091 | ) |  | (11,171 | )
Acceleration of loss recognized due to settlement | (26,996 | ) |  | — |  |  | — |
Amortization of prior service cost | (544 | ) |  | (592 | ) |  | (642 | )
Sub-total | (21,234 | ) |  | 3,201 |  |  | (25,298 | )
Regulatory adjustment | 21,159 |  |  | (3,510 | ) |  | 24,533 |
Total recognized in other comprehensive income | $ | (75 | ) |  | $ | (309 | ) |  | $ | (765 | )
Reconciliation of the beginning and Ending Balances of Benefit Obligation | The following table sets forth the reconciliation of the beginning and ending balances of the postretirement benefit obligation at September 30:
(Thousands) | 2013 |  | 2012
Benefit obligation, beginning of year | $ | 127,217 |  |  | $ | 103,991 |
Service cost | 10,162 |  |  | 8,060 |
Interest cost | 5,234 |  |  | 5,521 |
Actuarial loss (gain) | 17,514 |  |  | 15,895 |
MGE acquisition | 28,444 |  |  | — |
Gross benefits paid | (8,449 | ) |  | (6,250 | )
Benefit obligation, end of year | $ | 180,122 |  |  | $ | 127,217 |
The following table sets forth the reconciliation of the beginning and ending balances of the pension benefit obligation at September 30:
(Thousands) | 2013 |  | 2012
Benefit obligation, beginning of year | $ | 412,171 |  |  | $ | 384,163 |
Service cost | 9,209 |  |  | 9,203 |
Interest cost | 16,959 |  |  | 19,358 |
Actuarial (gain) loss | (23,921 | ) |  | 52,161 |
MGE acquisition | 151,424 |  |  | — |
Settlement loss | 24,999 |  |  | 14,348 |
Gross benefits paid * | (87,023 | ) |  | (67,062 | )
Benefit obligation, end of year | $ | 503,818 |  |  | $ | 412,171 |
Accumulated benefit obligation, end of year | $ | 444,129 |  |  | $ | 353,061 |
* | Includes $79,484 and $60,085 lump-sum payments recognized as settlements in fiscal years 2013 and 2012, respectively.
Fair Value of Plan Assets | The following table sets forth the reconciliation of the beginning and ending balances of the fair value of plan assets at September 30:
(Thousands) | 2013 |  | 2012
Fair value of plan assets at beginning of year | $ | 67,442 |  |  | $ | 51,744 |
Actual return on plan assets | 5,660 |  |  | 9,722 |
Employer contributions | 16,596 |  |  | 12,226 |
MGE acquisition | 30,396 |  |  | — |
Gross benefits paid | (8,449 | ) |  | (6,250 | )
Fair value of plan assets, end of year | $ | 111,645 |  |  | $ | 67,442 |
Funded status of plans, end of year | $ | (68,477 | ) |  | $ | (59,775 | )
The following table sets forth the reconciliation of the beginning and ending balances of the fair value of plan assets at September 30:
(Thousands) | 2013 |  | 2012
Fair value of plan assets, beginning of year | $ | 274,130 |  |  | $ | 247,959 |
Actual return on plan assets | 3,387 |  |  | 53,220 |
Employer contributions | 27,991 |  |  | 40,013 |
MGE acquisition | 126,958 |  |  | — |
Gross benefits paid * | (87,023 | ) |  | (67,062 | )
Fair value of plan assets, end of year | $ | 345,443 |  |  | $ | 274,130 |
Funded status of plans, end of year | $ | (158,375 | ) |  | $ | (138,041 | )
* | Includes $79,484 and $60,085 lump-sum payments recognized as settlements in fiscal years 2013 and 2012, respectively.
Amounts recognized in consolidated balance sheet | The following table sets forth the amounts recognized in the Consolidated Balance Sheets at September 30:
(Thousands) | 2013 |  | 2012
Current liabilities | $ | (442 | ) |  | $ | (468 | )
Noncurrent liabilities | (157,933 | ) |  | (137,573 | )
Total | $ | (158,375 | ) |  | $ | (138,041 | )
Pre-tax amounts recognized in accumulated other comprehensive income not yet recognized as components of net periodic pension cost consist of: |  |  |
Net actuarial loss | $ | 115,775 |  |  | $ | 136,464 |
Prior service costs | 4,467 |  |  | 5,011 |
Sub-total | 120,242 |  |  | 141,475 |
Adjustments for amounts included in Regulatory Assets | (116,686 | ) |  | (137,845 | )
Total | $ | 3,556 |  |  | $ | 3,630 |
The following table sets forth the amounts recognized in the Consolidated Balance Sheets at September 30:
(Thousands) | 2013 |  | 2012
Noncurrent assets | $ | 2,543 |  |  | $ | — |
Current liabilities | (300 | ) |  | (790 | )
Noncurrent liabilities | (70,720 | ) |  | (58,985 | )
Total | $ | (68,477 | ) |  | $ | (59,775 | )
Pre-tax amounts recognized in accumulated other comprehensive income not yet recognized as components of net periodic postretirement benefit cost consist of: |  |  |
Net actuarial loss | $ | 63,573 |  |  | $ | 52,573 |
Prior service credit | (27 | ) |  | (24 | )
Transition obligation | — |  |  | 93 |
Sub-total | 63,546 |  |  | 52,642 |
Adjustments for amounts included in Regulatory Assets | (63,546 | ) |  | (52,642 | )
Total | $ | — |  |  | $ | — |
Pre-tax amounts amortized from accumulated other comprehensive income into net periodic cost | At September 30, 2013, the following pre-tax amounts are expected to be amortized from accumulated other comprehensive income into net periodic postretirement benefit cost during fiscal year 2014:
(Thousands) |
Amortization of net actuarial loss | $ | 6,021 |
Amortization of prior service cost | (4 | )
Sub-total | 6,017 |
Regulatory adjustment | (6,017 | )
Total | $ | — |
At September 30, 2013, the following pre-tax amounts are expected to be amortized from accumulated other comprehensive income into net periodic pension cost during fiscal year 2014:
(Thousands) | 2014
Amortization of net actuarial loss | $ | 7,088 |
Amortization of prior service cost | 497 |
Sub-total | 7,585 |
Regulatory adjustment | (7,196 | )
Total | $ | 389 |
Assumptions used to calculate net periodic cost and benefit obligations. | The assumptions used to calculate the accumulated postretirement benefit obligations are as follows:
| 2013 |  | 2012
Weighted average discount rate * | 4.60% |  | 3.80%
Weighted average rate of future compensation increase | 3.00% |  | 3.00%
The assumptions used to calculate the benefit obligations are as follows:
| 2013 |  | 2012
Weighted average discount rate * | 4.70% |  | 3.95%
Weighted average rate of future compensation increase | 3.00% |  | 3.00%
* | Weighted average discount rate assumption for the MGE pension plan is 5.00%.
The assumptions used to calculate net periodic pension costs are as follows:
| 2013 |  | 2012 |  | 2011
Weighted average discount rate* | 3.95% |  | 5.10% |  | 4.75%
Weighted average rate of future compensation increase | 3.00% |  | 3.00% |  | 3.00%
Expected long-term rate of return on plan assets | 7.75% |  | 7.75% |  | 8.00%
* | Weighted average discount rate assumption for the MGE pension plan is 5.05%.
The assumptions used to calculate net periodic postretirement benefit costs are as follows:
| 2013 |  | 2012 |  | 2011
Weighted average discount rate * | 3.80 | % |  | 5.05 | % |  | 4.70 | %
Weighted average rate of future compensation increase | 3.00 | % |  | 3.00 | % |  | 3.00 | %
Expected long-term rate of return on plan assets ** | 7.75 | % |  | 7.75 | % |  | 8.00 | %
* | Weighted average discount rate assumption for the MGE postretirement plan is 5.05%.
** Expected long-term rate of return on plan assets assumption for the MGE postretirement plan is 5.75%.
Projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for plans that have projected benefit obligation and accumulated benefit obligation in excess of plan assets | Following are the projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for plans that have a projected benefit obligation and an accumulated benefit obligation in excess of plan assets:
(Thousands) | 2013 |  | 2012
Projected benefit obligation | $ | 503,818 |  |  | $ | 412,171 |
Accumulated benefit obligation | 444,129 |  |  | 353,061 |
Fair value of plan assets | 345,443 |  |  | 274,130 |
Targeted and actual plan assets by category | Following are the targeted and actual plan assets by category as of September 30 of each year:
| Target |  | 2013 Actual |  | 2012 Actual
Growth Strategy |  |  |  |  |
Equity Markets | 42.5 | % |  | 45.9 | % |  | 37.3 | %
Commodities | 2.5 | % |  | 1.6 | % |  | 2.2 | %
Real Estate | 2.5 | % |  | 3.0 | % |  | 2.2 | %
Inflation-Indexed Securities | 2.5 | % |  | 1.4 | % |  | 2.2 | %
Debt Securities | 50.0 | % |  | 43.3 | % |  | 41.1 | %
Other* | — | % |  | 4.8 | % |  | 15.0 | %
Total | 100.0 | % |  | 100.0 | % |  | 100.0 | %
* Other investments in 2013 consist of cash equivalents. The relatively large cash position at September 30, 2012 was due to a transition taking place between investment managers and was invested in debt securities in a matter of days. Following are the targeted and actual plan assets by category as of September 30 of each year:
| Target |  | 2013 Actual |  | 2012 Actual
Equity Securities | 60.0 | % |  | 59.0 | % |  | 59.0 | %
Debt Securities | 40.0 | % |  | 39.0 | % |  | 39.0 | %
Other | — | % |  | 2.0 | % |  | 2.0 | %
Total | 100.0 | % |  | 100.0 | % |  | 100.0 | %
Expected benefit payments for the succeeding five fiscal years | Following are expected pension benefit payments for the succeeding five fiscal years, and in aggregate for the five years thereafter:
(Millions) | Pensions from Qualified Trust |  | Pensions from Laclede Gas Funds
2014 | $ | 22.9 |  |  | $ | 0.4 |
2015 | 25.3 |  |  | 0.5 |
2016 | 27.2 |  |  | 0.5 |
2017 | 30.8 |  |  | 0.6 |
2018 | 34.2 |  |  | 0.6 |
2019 – 2023 | 227.2 |  |  | 4.5 |
Following are expected postretirement benefit payments for the succeeding five fiscal years, and in aggregate for the five years thereafter:
(Millions) | Benefits Paid from Qualified Trust |  | Benefits Paid from Laclede Gas Funds
2014 | $ | 9.5 |  |  | $ | 0.3 |
2015 | 9.9 |  |  | 0.3 |
2016 | 10.7 |  |  | 0.3 |
2017 | 11.7 |  |  | 0.4 |
2018 | 12.8 |  |  | 0.4 |
2019 – 2023 | 84.1 |  |  | 2.2 |
Assumed medical cost trend rates and effect of an assumed 1% changed in assumed medical cost trend. | The assumed medical cost trend rates at September 30 are as follows:
| 2013 |  | 2012
Medical cost trend assumed for next year | 7.50% |  | 7.00%
Rate to which the medical cost trend rate is assumed to decline (the ultimate medical cost trend rate) | 5.00% |  | 5.00%
Year the rate reaches the ultimate trend | 2020 |  | 2017
The following table presents the effect of an assumed 1% change in the assumed medical cost trend rate:
(Thousands) | 1% Increase |  | 1% Decrease
Effect on net periodic postretirement benefit cost | $ | 1,520 |  |  | $ | (1,390 | )
Effect on accumulated postretirement benefit obligation | 7,060 |  |  | (6,580 | )
Fair value measurements of plan assets | The table below categorizes the fair value measurements of the Utility's’ pension plan assets:
(Thousands) | Quoted Prices in Active Markets (Level 1) |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
As of September 30, 2013 |  |  |  |  |  |  |
Cash and cash equivalents | $ | 18,177 |  |  | $ | — |  |  | $ | — |  |  | $ | 18,177 |
Stock/Bond mutual fund | — |  |  | 115,817 |  |  | — |  |  | 115,817 |
Debt Securities |  |  |  |  |  |  |
U.S. bond mutual funds | 17,682 |  |  | — |  |  | — |  |  | 17,682 |
U.S. government | — |  |  | 55,743 |  |  | — |  |  | 55,743 |
U.S. corporate | — |  |  | 110,925 |  |  | — |  |  | 110,925 |
U.S. municipal | — |  |  | 6,799 |  |  | — |  |  | 6,799 |
International | — |  |  | 21,594 |  |  | — |  |  | 21,594 |
Derivative instruments (a) | — |  |  | (1,294 | ) |  | — |  |  | (1,294 | )
Total | $ | 35,859 |  |  | $ | 309,584 |  |  | $ | — |  |  | $ | 345,443 |
As of September 30, 2012 |  |  |  |  |  |  |
Cash and cash equivalents | $ | 57,614 |  |  | $ | — |  |  | $ | — |  |  | $ | 57,614 |
Debt Securities |  |  |  |  |  |  |
U.S. bond mutual funds | 36,767 |  |  | — |  |  | — |  |  | 36,767 |
U.S. government | — |  |  | 57,925 |  |  | — |  |  | 57,925 |
U.S. corporate | — |  |  | 93,169 |  |  | — |  |  | 93,169 |
U.S. municipal | — |  |  | 9,493 |  |  | — |  |  | 9,493 |
International | — |  |  | 18,885 |  |  | — |  |  | 18,885 |
Derivative instruments (b) | — |  |  | 277 |  |  | — |  |  | 277 |
Total | $ | 94,381 |  |  | $ | 179,749 |  |  | $ | — |  |  | $ | 274,130 |
(a) | Derivative assets of $4,186 net of cash margin payable of $5,480.
(b) | Derivative assets of $3,027 net of cash margin payable of $2,750.
The table below categorizes the fair value measurements of The Utility's postretirement plan assets:
(Thousands) | Quoted Prices in Active Markets (Level 1) |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
As of September 30, 2013 |  |  |  |  |  |  |
Cash and cash equivalents | $ | 1,411 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,411 |
U.S. stock/bond mutual fund | 110,234 |  |  | — |  |  | — |  |  | 110,234 |
Total | $ | 111,645 |  |  | $ | — |  |  | $ | — |  |  | $ | 111,645 |
As of September 30, 2012 |  |  |  |  |  |  |
Cash and cash equivalents | $ | 1,106 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,106 |
U.S. stock/bond mutual fund | 66,336 |  |  | — |  |  | — |  |  | 66,336 |
Total | $ | 67,442 |  |  | $ | — |  |  | $ | — |  |  | $ | 67,442 |

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